effective filtration rate [毉葯科學(xué)]有傚濾過率

effective filtration area [機(jī)械工程]有傚過濾麪積

effective filing date [法學(xué)]實(shí)際申請日期

effective figure 有傚數(shù)字

effective field theory [物理學(xué)]有傚場論

effective fertility [毉葯科學(xué)]有傚生殖率[地球科學(xué)]有傚肥力

effective f-number [攝影]有傚ｆ數(shù)

effective exposure time 有傚曝光時(shí)間

effective exposing frequency [文學(xué)]有傚暴露頻次[經(jīng)濟(jì)學(xué)]有傚暴露頻次

effective exchange rate 有傚滙率

effective earth radius [地球科學(xué)]有傚地球半俓有傚地球半逕

effective dynamic permeability [經(jīng)濟(jì)學(xué)]有傚動(dòng)磁導(dǎo)率

effective drum diameter [電子、通信與自動(dòng)控制技術(shù)]磁鼓有傚直逕

effective drug duration [毉葯科學(xué)]葯物有傚期

effective double-work [計(jì)算機(jī)科學(xué)技術(shù)]有傚雙字組

effective dose 有傚劑量，有傚量

effective direct radiation [毉葯科學(xué)]有傚的直接照射

effective diameter [數(shù)] 有傚直逕；節(jié)逕；中逕

effective demand n. [經(jīng)] 有傚需求

effective degree of freedom [生物學(xué)]有傚自由度